Square D MJA36800SA – 800A 3 Pole Molded Case Circuit Breaker Next Day Delivery

Engineered for commercial and industrial applications, the Square D MJA36800SA is an 800A, 3-pole PowerPacT M-Frame circuit breaker. This unit installs into Square D I-Line panelboards and switchboards, serving as a drop-in replacement for legacy MA and MH frame breakers. Rated 65kAIC at 480VAC, it features an ET 1.0 electronic trip unit with fixed long-time and adjustable instantaneous (LI) functions. A factory-installed 120VAC shunt trip is included for remote tripping capabilities.